al-Mu'tasim
E51685
Al-Mu'tasim was an Abbasid caliph (r. 833–842 CE) known for founding the city of Samarra and expanding the use of Turkish slave soldiers in the caliphal army.
All labels observed (5)
| Label | Occurrences |
|---|---|
| al-Mu'tasim canonical | 11 |
| al-Muʿtasim | 5 |
| Caliph al-Mu'tasim | 4 |
| Al-Mu'tasim | 1 |
| al-Mu'tasim bi-llah | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T389561 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: al-Mu'tasim Context triple: [Abbasid Caliphate, ruler, al-Mu'tasim]
-
A.
al-Ma'mun
Al-Ma'mun was a prominent Abbasid caliph known for his patronage of science and philosophy, the founding of the Bayt al-Hikma (House of Wisdom) in Baghdad, and his role in the Mihna (inquisition) over Islamic doctrine.
-
B.
Harun al-Rashid
Harun al-Rashid was a prominent 8th–9th century Abbasid caliph whose reign is famed for its cultural flourishing, political power, and legendary portrayal in the tales of the One Thousand and One Nights.
-
C.
as-Saffah
As-Saffah was the founder and first caliph of the Abbasid dynasty, known for overthrowing the Umayyads and establishing a new Islamic caliphal rule in 750 CE.
-
D.
Sulayman
Sulayman is the Islamic name for King Solomon, a prophet and wise monarch revered in Abrahamic traditions for his justice, wisdom, and leadership.
-
E.
Qasim ibn Muhammad
Qasim ibn Muhammad was the eldest son of the Islamic prophet Muhammad, who died in childhood in Mecca.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: al-Mu'tasim Target entity description: Al-Mu'tasim was an Abbasid caliph (r. 833–842 CE) known for founding the city of Samarra and expanding the use of Turkish slave soldiers in the caliphal army.
-
A.
al-Ma'mun
Al-Ma'mun was a prominent Abbasid caliph known for his patronage of science and philosophy, the founding of the Bayt al-Hikma (House of Wisdom) in Baghdad, and his role in the Mihna (inquisition) over Islamic doctrine.
-
B.
Harun al-Rashid
Harun al-Rashid was a prominent 8th–9th century Abbasid caliph whose reign is famed for its cultural flourishing, political power, and legendary portrayal in the tales of the One Thousand and One Nights.
-
C.
as-Saffah
As-Saffah was the founder and first caliph of the Abbasid dynasty, known for overthrowing the Umayyads and establishing a new Islamic caliphal rule in 750 CE.
-
D.
Sulayman
Sulayman is the Islamic name for King Solomon, a prophet and wise monarch revered in Abrahamic traditions for his justice, wisdom, and leadership.
-
E.
Qasim ibn Muhammad
Qasim ibn Muhammad was the eldest son of the Islamic prophet Muhammad, who died in childhood in Mecca.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Abbasid caliph
ⓘ
Muslim ruler ⓘ historical figure ⓘ |
| birthPlace | Baghdad ⓘ |
| burialPlace | Samarra ⓘ |
| caliphate | Abbasid Caliphate ⓘ |
| capitalDuringReign | Samarra ⓘ |
| deathPlace | Samarra ⓘ |
| dynasty |
Abbasid Caliphate
ⓘ
surface form:
Abbasid
|
| enemy | Byzantine Empire ⓘ |
| era | 9th century ⓘ |
| expandedUseOf |
Turkish slave soldiers in the Abbasid army
ⓘ
military slaves ⓘ |
| father | Harun al-Rashid ⓘ |
| founded |
Samarra
ⓘ
Samarra garrison city ⓘ |
| governmentType | Caliphate ⓘ |
| house | House of Abbas ⓘ |
| knownFor |
founding Samarra as a new capital
ⓘ
institutionalizing Turkish slave soldiers ⓘ military campaigns against Byzantium ⓘ shifting political power toward military slaves ⓘ |
| language | Arabic ⓘ |
| mother | Marida ⓘ |
| name |
Harun al-Rashid
ⓘ
surface form:
Abu Ishaq Muhammad ibn Harun al-Rashid
|
| notableBattle | Battle of Anzen ⓘ |
| notableCampaign | campaign against the Byzantine Empire ⓘ |
| office | Caliph of the Abbasid Caliphate ⓘ |
| orderedSackOf |
Hierapolis
ⓘ
surface form:
Amorium
|
| predecessor | al-Ma'mun ⓘ |
| reasonForFoundingSamarra | to house Turkish and other slave soldiers ⓘ |
| regionRuled |
Iraq
ⓘ
parts of the Middle East ⓘ |
| regnalName |
al-Mu'tasim
self-linksurface differs
ⓘ
surface form:
al-Mu'tasim bi-llah
|
| reignEnd | 842 ⓘ |
| reignStart | 833 ⓘ |
| religion | Islam ⓘ |
| sibling |
al-Amin
ⓘ
al-Ma'mun ⓘ |
| successor | al-Wathiq ⓘ |
| territorialCapitalMovedFrom | Baghdad ⓘ |
| territorialCapitalMovedTo | Samarra ⓘ |
| title |
Caliph
ⓘ
Caliph ⓘ
surface form:
Commander of the Faithful
|
| usedMilitaryForces |
Turkish slave soldiers
ⓘ
ghilman ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: al-Mu'tasim Description of subject: Al-Mu'tasim was an Abbasid caliph (r. 833–842 CE) known for founding the city of Samarra and expanding the use of Turkish slave soldiers in the caliphal army.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Mihna
this entity surface form:
al-Muʿtasim
this entity surface form:
al-Mu'tasim bi-llah
this entity surface form:
Caliph al-Mu'tasim
this entity surface form:
Al-Mu'tasim
this entity surface form:
al-Muʿtasim
this entity surface form:
al-Muʿtasim
subject surface form:
Al-Mutawakkil
this entity surface form:
al-Muʿtasim
this entity surface form:
Caliph al-Mu'tasim
subject surface form:
Theophilus
this entity surface form:
Caliph al-Mu'tasim